The data measured by SIR-10 radar are analyzed by wavelets. The three reflected waves can be so clearly distinguished and the tunnel-lining thickness and void size are easily detected.
利用子波分析了SIR - 10雷达所测得的隧道衬砌数据,在某一尺度上清楚地得到了三个界面的反射波。
These findings, backed up by other data collected from conventional inspections, led London Underground to investigate the replacement of the tunnel lining.
这些发现,是从常规检查而收集出来的其它数据中被证实,引致伦敦地下铁要调查研究隧洞衬砌的替代物。
After pass through analyze a lot of fact checking data, tunnel lining concrete thickness require could express by probability statistic.
在经过对大量的检测数据的分析后,隧道二次衬砌厚度的检测要求可采用数理统计方法表达。
The conclusions obtained provide theoretic basis for fire resistance analysis and design of tunnel lining structures and the evaluation after fire.
这些结论为隧道衬砌结构抗火分析、设计以及火灾后的评价等提供了理论依据。
Considering the specialty and importance of underground structure, it is a very meaningful work to study the reliability of tunnel lining structure.
鉴于隧道与地下结构所具有的特殊性和重要性,对其开展可靠性研究是一项非常有意义的工作。
At the sea coast or in the Marine environment, the chloride erosion is the main factor causing reinforcement corrosion of tunnel lining.
在近海或海洋环境下,氯离子侵蚀是引起隧道衬砌结构钢筋锈蚀的主要因素。
This paper presents a method, based on the finite element, to compute the structural reliability of bias tunnel lining. Authors compile a practical program and give an example.
提出了基于有限单元法求解偏压隧道衬砌结构可靠度的方法,开发了实用计算机程序,并给出实际算例。
When designing tunnel lining, rock pressure is the most important load and very difficult to determine.
在隧道衬砌设计中,围岩压力通常是最主要的荷载,也是最难以确定的荷载。
The results of calculation show that the joint has reverse effect on deformation and loading condition of tunnel lining.
通过计算,表明节理的存在,使隧道衬砌的变形和受力状况恶化。
Then, the divide standard of damage grade and the enduring fire limit time of the tunnel lining caused by fire accident are discussed.
在此基础上提出了隧道衬砌火灾损伤等级的划分标准与耐火极限时间。
The design types of tunnel lining include loading structure method and stratum structure method.
隧道衬砌结构计算方法有荷载结构法和地层结构法。
Plate element is used to simulate tunnel lining, road slab and vertical brace, and spring element simulate the interaction between soil and tunnel.
文中隧道衬砌、路面板和竖向支撑用板单元模拟,土与隧道的共同作用用土弹簧模拟。
Waterproof joint agent is useful and has great value in construction practice of tunnel lining.
在隧道混凝土衬砌工程中有良好的推广应用前景。
The paper did research on the thickness, depth, different spacing steel, and other bugs in the second concrete lining, through the model experiment of GPR in the highway tunnel lining detection.
本文通过地质雷达公路隧道衬砌检测的模型试验,研究了地质雷达检测二衬混凝土厚度、二衬中的不同深度,不同间距钢筋以及衬砌模型中的缺陷。
Do research on tunnel lining with no seepage and no leakage.
隧道不渗不漏衬砌施工技术研究。
It has been shown that posture deviation (leading of a side) of lining rings is right the cause of continuous joint dislocation of tunnel lining with plan joint segments.
证明衬砌环的姿态偏差(侧超前)是引发常用平端面衬砌环隧道出现连续错台的直接原因。
It is an important concern to protect tunnel lining structure from fire in tunnel fire prevention engineering.
衬砌结构防火是隧道防火的一个重要组成部分。
As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.
对于水工隧洞衬砌混凝土,在施工期由于水泥水化热作用,温度应力影响显著,是产生混凝土结构裂缝的重要原因之一。
Result of synthetically analyzing and mechanical computation turns out that the unsymmetrical load is the main cause of the cracks in tunnel lining.
经综合分析及力学计算,存在较大偏压是隧道衬砌产生裂缝的主要原因。
The effects of grouting circle will not share the external water pressure with tunnel lining, but block groundwater and reduce the external water pressure on lining remarkably with low discharge.
注浆圈的作用不是分担衬砌外水压力,而是通过封堵地下水降低隧道涌水量,从而以较小的排水量可显著降低甚至消除衬砌的外水压力。
The seriously uneven settlement of soft ground causes tunnel wall crack after the completion of permanent tunnel lining.
某隧道在完成二次衬砌后,软弱地基产生不均匀沉降致使边墙严重开裂。
During the course of predicting the service life of tunnel lining, the uncertainty of the parameters could affect the results.
模型参数取值的不确定性会对衬砌结构耐久寿命预测结果产生较大影响。
The mechanism of cracking tunnel lining without any major progress in long time, cracking reasons were also unclear.
长期以来隧道衬砌开裂的力学机理研究没有大的进步,开裂原因亦不甚清楚。
In this paper, durability design method based on approximation probability was applied in tunnel lining, in which environmental effect was taken into account quantitatively.
采用基于近似概率的方法对衬砌结构进行耐久性设计,在设计过程中定量考虑环境侵蚀作用,使结果更符合实际要求。
As a sophisticated tunnel lining type, the universal segments were applied widely in the construction of shield-driven tunnel.
通用管片作为一种较先进的隧道衬砌形式,在盾构法隧道施工中被广泛采用。
The objective of this research is to make the quality evaluation of tunnel lining by using infrared thermography.
本研究系探讨以红外线热图象分析技术来评估隧道衬砌之质量。
And this paper analyzes the logical partition of the railway tunnel lining and the influence of structure internal force due to the different joint stiffness.
对铁路隧道的合理分块以及接头刚度对结构内力的影响进行了分析。
Through the study of early thermal stress of the concrete tunnel lining, we can provide an effective reference for tunnel Construction.
通过对隧道衬砌混凝土的早期温度应力的研究,能够对隧道施工提供一个有效的参考依据。
Through the study of early thermal stress of the concrete tunnel lining, we can provide an effective reference for tunnel Construction.
通过对隧道衬砌混凝土的早期温度应力的研究,能够对隧道施工提供一个有效的参考依据。
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